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zysi [14]
2 years ago
7

What is (100-75)^0 + (9x8) using pemdas​

Mathematics
1 answer:
Tanya [424]2 years ago
6 0

Answer:

73

hope you get a 100% :)

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Convert the following equation to slope-intercept form y+5=1/2(x-8)
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Answer: y = 1/2x - 9

Step-by-step explanation:

  • y + 5 = 1/2(x - 8)
  • y + 5 = 1/2x - 4 (distribute)
  • y = 1/2x - 9 (subtract 5 from both sides)

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273.261 in word form
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Scores on an exam follow an approximately Normal distribution with a mean of 76.4 and a standard deviation of 6.1 points. What p
klasskru [66]

Answer:

99.89% of students scored below 95 points.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 76.4, \sigma = 6.1

What percent of students scored below 95 points?

This is the pvalue of Z when X = 95. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{95 - 76.4}{6.1}

Z = 3.05

Z = 3.05 has a pvalue of 0.9989.

99.89% of students scored below 95 points.

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Maya just turned 14 years old. Her parents started saving $350 each month for her college education when she was born. Her paren
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Answer:

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